Specifications are for models with one GM tube. Models
with 4 GM tubes (RadAl™-1/4 and RadAl™-1-WP/4 have twice
the sensitivity and speed.
Connections to relay and communication ports are by
terminals accessible through wall passages.
Computer programs can be provided to demonstrate and test
communications.
A detailed report: "sensitivity
tests using Am241 and Cs137 sources"
is available documenting alarm response thresholds.No toxic nor
radioactive materials are used in these instruments!